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Water Heater Replacement in Waltham, MA

Same-Day Hot Water Restoration

No cold shower surprises. No hidden fees. Just fast, professional water heater replacement that gets your hot water flowing again today.
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857-398-8840
A leaking water heater on a concrete floor with a puddle spreading, surrounded by plumbing tools, pipes, and fittings—perfect for when you need a reliable plumber Plymouth trusts.

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A person’s hand is removing a heating element from the bottom of a water heater in Middlesex, MA, with connected pipes and hoses visible on the side—a task often handled by a professional plumber Plymouth trusts.

Professional Water Heater Services Waltham

Hot Water When You Need It
Your morning routine shouldn’t include cold water shocks. When your water heater fails, you need it fixed fast and done right the first time. That’s exactly what you get with our water heater replacement service. We show up on time, diagnose the problem quickly, and get your hot water restored the same day. No waiting around for parts or scheduling callbacks next week. You’ll have reliable hot water for showers, dishes, and laundry without worrying about surprise breakdowns or sky-high utility bills from an inefficient old unit.

Trusted Plumbing Company Waltham MA

Waltham's Water Heater Experts Since 2007
We’ve been serving Waltham homeowners and businesses for over 15 years. We started in new construction plumbing and now focus entirely on service and repairs because that’s where we can make the biggest difference for our community. Our team of 5 licensed plumbers knows Waltham’s older homes and their unique plumbing challenges. From Victorian houses near Waltham Common to newer developments near Bentley University, we’ve replaced water heaters in every type of property across the city. We’re not the biggest plumbing company in Massachusetts, but we’re the one that shows up when we say we will and charges exactly what we quote upfront.
A person uses a screwdriver to repair or adjust an exposed section of a gas boiler or water heater, with visible wires, pipes, and mechanical components in a home in Norfolk or Middlesex.

Water Heater Installation Process Waltham

Simple Process, Professional Results
First, we assess your current water heater and your home’s hot water needs. We check the existing connections, venting, and space requirements to determine the best replacement option for your situation. Next, we provide upfront pricing with no surprises. You’ll know exactly what you’re paying before any work begins, including removal of your old unit and professional installation of the new one. Finally, we handle the complete installation, test everything thoroughly, and walk you through your new system’s operation. We clean up completely and back our work with a full 1-year labor warranty so you have total peace of mind.
A person wearing yellow gloves uses a screwdriver to repair or install a water heater mounted on a wall, with visible pipes and wiring—typical of homes in Middlesex and Suffolk County.

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Hot Water Tank Replacement Waltham

Complete Water Heater Solutions
Every water heater replacement includes removal and proper disposal of your old unit, professional installation of your new system, and thorough testing to ensure everything works perfectly. We install both traditional tank water heaters and modern tankless systems, depending on your home’s needs and your family’s hot water usage. For Waltham’s older homes with limited basement space, we often recommend high-efficiency units that provide more hot water in a smaller footprint. All our installations meet Massachusetts plumbing codes and include proper venting, electrical connections, and safety shutoffs. We also provide a free main sewer line camera inspection with every new customer service call to help prevent future plumbing problems.
A plumber from Plymouth repairs or inspects the internal components of a wall-mounted water heater in a bathroom, holding a part near exposed copper pipes. A lit wall lamp is visible nearby.

How long does water heater replacement take in Waltham?

Most water heater replacements in Waltham take 2-4 hours from start to finish. This includes removing your old unit, installing the new water heater, connecting all plumbing and electrical, and testing the system. The timeline can vary based on your home’s setup. Older Waltham homes sometimes need additional work like updating electrical connections or modifying venting, which can add 1-2 hours. We’ll let you know upfront if we expect any complications. In most cases, you’ll have hot water restored the same day we start the work. We always test everything thoroughly before we leave to make sure your new system is working perfectly.
Most Waltham homes need a 40-50 gallon water heater, but the right size depends on your family’s hot water usage and your home’s plumbing setup. For a family of 2-3 people, a 40-gallon unit usually provides plenty of hot water. Families with 4+ people or homes with multiple bathrooms typically need 50-gallon or larger units. If you frequently run multiple hot water appliances simultaneously, we might recommend a larger tank or a tankless system. We assess your current usage patterns and home layout to recommend the most efficient size. Getting the right size means you’ll never run out of hot water, but you won’t waste money heating more water than you actually use.
If your water heater is over 8 years old and having problems, replacement is usually the smarter choice. Repair costs can add up quickly, and older units are much less energy efficient than modern models. Signs it’s time to replace include: no hot water, rusty or discolored water, strange noises, leaks around the base, or frequent repairs. Even if we can fix the immediate problem, these issues often return within months on older units. New water heaters are significantly more energy efficient, which means lower utility bills. The money you save on energy costs often pays for a large portion of the replacement cost over the unit’s lifetime. Plus, you get the peace of mind that comes with a new system and our 1-year labor warranty.
Yes, we provide 24/7 emergency water heater replacement throughout Waltham. Water heater failures don’t wait for business hours, and neither do we. When you call our emergency line, you’ll reach a real person who can dispatch a licensed plumber to your home. We stock common water heater sizes on our trucks, so we can often complete same-day replacement even for emergency calls. Emergency service does include additional fees for after-hours calls, but we’re always upfront about pricing before we start any work. We never charge dispatch fees, so you’re only paying for the actual service you receive.
We install all major water heater brands including Rheem, A.O. Smith, Bradford White, and State. We’ll recommend the best brand and model based on your budget, hot water needs, and home’s requirements. For most Waltham homeowners, we recommend mid-range models that offer the best balance of reliability, efficiency, and value. These units typically last 10-12 years and come with solid manufacturer warranties. If you have specific brand preferences or need high-efficiency models for energy savings, we can accommodate those requests. We’ll explain the differences between options so you can make an informed decision that fits your needs and budget.
Every water heater installation includes our 1-year labor warranty covering all installation work. This means if any part of our installation develops problems within the first year, we’ll return and fix it at no charge. The water heater itself comes with the manufacturer’s warranty, which typically covers the tank and components for 6-12 years depending on the model. We’ll register your warranty and provide you with all documentation. We also offer 7-day warranties on drain cleaning services and provide a free main sewer line camera inspection for all new customers. Our goal is to build long-term relationships with Waltham homeowners, and comprehensive warranties are part of that commitment.

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Waltham, MA is located in Middlesex County in Massachusetts State

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